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Online observation method and device for gas-liquid-solid phase abrasive particle flow rotational flow field

A technology of abrasive particle flow and flow field, which is applied to measuring devices, parts of grinding machine tools, grinding/polishing equipment, etc., to achieve the effect of improving visibility and predictability, and good guiding significance

Active Publication Date: 2016-02-17
WEIHAI ZHENGHAO MINING EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of the objective limitations of analysis and test methods in the research process of the gas-liquid-solid three-phase abrasive flow swirl flow field, and proposes a gas-liquid-solid three-phase abrasive flow swirl Method and device for on-line observation of flow field

Method used

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  • Online observation method and device for gas-liquid-solid phase abrasive particle flow rotational flow field
  • Online observation method and device for gas-liquid-solid phase abrasive particle flow rotational flow field
  • Online observation method and device for gas-liquid-solid phase abrasive particle flow rotational flow field

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with accompanying drawing:

[0034] like Figure 1~4 As shown, an on-line observation method of gas-liquid-solid three-phase abrasive flow swirling flow field, the technical idea is: the particle image velocimetry camera in the particle image velocimetry equipment is installed directly above the polishing tool, and the The external abrasive flow delivery system injects the pre-mixed uniform gas-liquid-solid three-phase abrasive flow from the abrasive flow container into the polishing tool through the abrasive flow output pipe. When the particle image velocimetry camera starts to capture images and data, stop shooting after the gas-liquid-solid three-phase abrasive flow forms a stable gas-liquid-solid three-phase swirl flow field, and change the abrasive grains and For the ratio of the air bubbles, multiple shots were taken, and finally the data processing and extraction were completed in the processor...

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Abstract

The invention discloses an online observation method and device for a gas-liquid-solid phase abrasive particle flow rotational flow field. In the research for the gas-liquid-solid phase abrasive particle flow rotational flow field, theoretical analysis is carried out on the motion rule of abrasive particles and microbubbles in the rotational flow field forming process; meanwhile, a particle image velocimetry (PIV) method is used for carrying out online experimental observation on the rotational flow field; related data and images are extracted from PIV experimental equipment; the motion rule of the abrasive particles and the microbubbles in the rotational flow field forming process is visually shown; online observation in the rotational flow field forming process is achieved; accuracy of theoretical analysis is verified; and a foundation is laid for deeply researching the flow field characteristics of the gas-liquid-solid phase abrasive particle flow rotational flow field and a control method of the gas-liquid-solid phase abrasive particle flow rotational flow field. The online observation device for the gas-liquid-solid phase abrasive particle flow rotational flow field is provided. Online observation in the forming process of the gas-liquid-solid phase abrasive particle flow rotational flow field can be achieved, interference-free, transient and full speed measurement in fluid research can be achieved, and high universality is achieved.

Description

technical field [0001] The invention relates to the field of soft fluid surface grinding / polishing, and more specifically relates to an online observation method and device for a gas-liquid-solid three-phase abrasive particle flow swirl flow field. Background technique [0002] In the high-tech fields such as modern optics, electronic information and thin film science, it is necessary to realize ultra-smooth surface manufacturing (Ultrasmooth Surface Manufacturing) on ​​the surface of precision optical parts and functional crystal materials, such as soft X-ray optical systems, laser gyro mirrors, high-density wavelength division multiplexing Devices, high-energy laser mirrors, functional optics, optical windows, etc. [0003] A new method of gas-liquid-solid three-phase abrasive flow polishing, using a multi-directional injection method to drive a swirling flow field in a high-speed turbulent state in the large-area micro-pitch gap formed between the polishing tool and the w...

Claims

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Application Information

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IPC IPC(8): B24B49/12G01M10/00
CPCB24B49/12G01M10/00
Inventor 计时鸣谭云峰黄希欢陈国达
Owner WEIHAI ZHENGHAO MINING EQUIP CO LTD
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